US10688214B2 - Volatile substance evaporation element - Google Patents

Volatile substance evaporation element Download PDF

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Publication number
US10688214B2
US10688214B2 US15/574,861 US201615574861A US10688214B2 US 10688214 B2 US10688214 B2 US 10688214B2 US 201615574861 A US201615574861 A US 201615574861A US 10688214 B2 US10688214 B2 US 10688214B2
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United States
Prior art keywords
rod
evaporation element
core
volatile substance
substance evaporation
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US15/574,861
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US20180126026A1 (en
Inventor
Alessio DALSER
Andrea Pedrotti
Stefano Deflorian
Cedric Morhain
Joaquim Llorente Alonso
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Zobele Holding SpA
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Zobele Holding SpA
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Assigned to ZOBELE HOLDING S.P.A. reassignment ZOBELE HOLDING S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PEDROTTI, ANDREA, DALSER, Alessio, DEFLORIAN, STEFANO
Assigned to ZOBELE HOLDING S.P.A. reassignment ZOBELE HOLDING S.P.A. CORRECTIVE ASSIGNMENT TO CORRECT THE CONVEYING PARTIES PREVIOUSLY RECORDED ON REEL 044515 FRAME 0876. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: PEDROTTI, ANDREA, DALSER, Alessio, DEFLORIAN, STEFANO, LLORENTE ALONSO, Joaquim, MORHAIN, CEDRIC
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A61L9/127—Apparatus, e.g. holders, therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2027—Poisoning or narcotising insects by vaporising an insecticide without heating
    • A01M1/2055—Holders or dispensers for solid, gelified or impregnated insecticide, e.g. volatile blocks or impregnated pads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor

Definitions

  • the present invention relates to a volatile substance evaporation element that can be used as an air freshener or as insecticide.
  • this paper makes the level of compaction higher in the centre than along the perimeter, reducing the capacity of the core to act as a receptacle for volatile substances.
  • the volatile substance evaporation element of the invention makes it possible to resolve the aforementioned drawbacks and has other advantages that will be described below.
  • the volatile substance evaporation element in accordance with the present invention comprises a rod impregnated with volatile substances and is characterised in that said rod is made of sintered wood.
  • the porosity of said rod varies between its core and its surface.
  • the porosity of said rod is lower on its surface than in its core, for example, 10% lower, 30% lower or 50% lower on its surface than in its core.
  • the length of the rod is at least seven times greater than the width of the rod and the rod is substantially cylindrical.
  • the core extends to up to 50% of the width of the rod or up to 70% of the width of the rod or up to 90% of the width of the rod.
  • the rod may comprise at least one groove that extends along the length thereof, wherein said at least one groove may have a helical shape.
  • the depth of said at least one groove is comprised between 50% and 10% of the width of the rod.
  • the volatile substance evaporation element in accordance with the present invention enables the obtainment of various advantages, such as:
  • the evaporation element it enables the evaporation element to be sufficiently porous to adequately fulfil its evaporation function and, moreover, mechanically it is sufficiently resistant.
  • FIG. 1 shows a perspective view of a volatile substance evaporation element in accordance with the present invention, indicating the core by means of dashed lines;
  • FIGS. 2 and 3 show perspective views of two embodiments of the volatile substance evaporation element in accordance with the present invention, which include grooves;
  • FIGS. 4 and 5 show perspective views of two possible uses of the volatile substance evaporation element in accordance with the present invention.
  • the volatile substance evaporation element of the present invention comprises a rod, preferably cylindrical, generally indicated by numerical reference 1 .
  • This rod 1 is made of sintered wood impregnated with volatile substances, i.e. made from the agglomeration of particles bonded together by means of a sintering process.
  • the sintering process consists of pouring a water-based paste with a wood-based paste and binding agents in a matrix and then letting the rod 1 dry to remove the water.
  • the sintering process enables the obtainment of a high level of compaction of the particles on the exterior portion of the rod 1 , which will also cause the formation of a surface 2 with low porosity and a core 3 with high porosity.
  • the resulting rod 1 has a surface 2 and core 3 configuration, wherein the surface 2 has a lower porosity than that of the core 3 .
  • the surface 2 has a lower porosity than that of the core 3 .
  • the central core 3 with high porosity provides the rod 1 with a high capacity to absorb the volatile substances, whereas the surface 2 controls the release of the volatile substances, as well as its mechanical resistance.
  • the distribution between the surface 2 and the core 3 can be established in different relationships.
  • the width or radius of the core 3 is 70% of the width or radius of the rod 1 .
  • a value between 50% and 90% may be used.
  • the external diameter of the rod 1 can be machined to form one or more grooves 4 , for example, a helical groove, as can be observed in FIG. 2 , and a plurality of transverse grooves, as can be observed in FIG. 3 .
  • this groove 4 must be sufficient to allow in the zone of the rod 1 referred to as surface 2 , i.e. a depth comprised between 50% and 10% of the width of the rod 1 .
  • the volatile substance evaporation element in accordance with the present invention can be used on its own or together with other elements on a support 5 .
  • the rod 1 can be hanged, for example using a chain that passes directly through a possible hole made in the upper portion of the rod or fixed to a cover fixed to one end of the rod 1 .
  • the rod 1 may also be fixed to a support 6 that can be coupled to the vent grille of a vehicle.

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A volatile substance evaporation element including a rod impregnated with volatile substances, the rod being made of sintered wood. The porosity of the rod varies between its core and its surface, the porosity of said rod being lower on its surface than in its core, making it possible to increase the capacity of the core of the evaporation element to act as a receptacle for volatile substances.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS
The present application is a 35 U.S.C. § 371 national phase conversion of PCT/EP2016/060852, filed May 13, 2016, which claims priority to Spanish Patent Application No. P201530679, filed May 18, 2015. The entire contents of both applications are incorporated in full herein by reference. The PCT International Application was published in the English language.
DESCRIPTION
The present invention relates to a volatile substance evaporation element that can be used as an air freshener or as insecticide.
BACKGROUND OF THE INVENTION
There are some very simple porous elements on the market that consist of a cylindrical rod made mainly of rolled paper impregnated with volatile substances. An example of these types of products is described in document WO2006/02395.
These very simple products are designed to be disposed on a support or hanged and to release the volatile substances under static conditions.
The use of these types of rolled and impregnated paper elements for evaporating volatile substances has various drawbacks.
On the one hand, the manner in which this paper is rolled makes the level of compaction higher in the centre than along the perimeter, reducing the capacity of the core to act as a receptacle for volatile substances.
On the other hand, its surface cannot be altered mechanically to increase the evaporation surface, since a cut in the external paper layer would cause the entire wrapping to break.
There is also the alternative of using wooden rods, but this type of material generally either has high porosity to contain volatile substances, but are mechanically weak or have a high level of density when they have poor absorption capacity but good mechanical resistance.
DESCRIPTION OF THE INVENTION
The volatile substance evaporation element of the invention makes it possible to resolve the aforementioned drawbacks and has other advantages that will be described below.
The volatile substance evaporation element in accordance with the present invention comprises a rod impregnated with volatile substances and is characterised in that said rod is made of sintered wood.
Advantageously, the porosity of said rod varies between its core and its surface. Preferably, the porosity of said rod is lower on its surface than in its core, for example, 10% lower, 30% lower or 50% lower on its surface than in its core.
According to a preferred embodiment, the length of the rod is at least seven times greater than the width of the rod and the rod is substantially cylindrical.
Advantageously, the core extends to up to 50% of the width of the rod or up to 70% of the width of the rod or up to 90% of the width of the rod.
Additionally, the rod may comprise at least one groove that extends along the length thereof, wherein said at least one groove may have a helical shape.
Preferably, the depth of said at least one groove is comprised between 50% and 10% of the width of the rod.
The volatile substance evaporation element in accordance with the present invention enables the obtainment of various advantages, such as:
It increases the capacity of the core of the evaporation element to act as a receptacle for volatile substances;
It enables the mechanical alteration of its surface to increase the evaporation surface, for example by making one or more grooves;
It enables the evaporation element to be sufficiently porous to adequately fulfil its evaporation function and, moreover, mechanically it is sufficiently resistant.
BRIEF DESCRIPTION OF THE DRAWINGS
In order to make the foregoing more readily understandable, a set of drawings is attached, wherein, schematically and by way of illustration and not limitation, an embodiment is represented.
FIG. 1 shows a perspective view of a volatile substance evaporation element in accordance with the present invention, indicating the core by means of dashed lines;
FIGS. 2 and 3 show perspective views of two embodiments of the volatile substance evaporation element in accordance with the present invention, which include grooves; and
FIGS. 4 and 5 show perspective views of two possible uses of the volatile substance evaporation element in accordance with the present invention.
 DESCRIPTION OF A PREFERRED EMBODIMENT
The volatile substance evaporation element of the present invention comprises a rod, preferably cylindrical, generally indicated by numerical reference 1. This rod 1 is made of sintered wood impregnated with volatile substances, i.e. made from the agglomeration of particles bonded together by means of a sintering process.
The sintering process consists of pouring a water-based paste with a wood-based paste and binding agents in a matrix and then letting the rod 1 dry to remove the water.
The sintering process enables the obtainment of a high level of compaction of the particles on the exterior portion of the rod 1, which will also cause the formation of a surface 2 with low porosity and a core 3 with high porosity.
The resulting rod 1 has a surface 2 and core 3 configuration, wherein the surface 2 has a lower porosity than that of the core 3. Naturally, it should be understood that reference is made to average porosity, since porosity varies throughout the width or radius of the rod 1.
The central core 3 with high porosity provides the rod 1 with a high capacity to absorb the volatile substances, whereas the surface 2 controls the release of the volatile substances, as well as its mechanical resistance.
Depending on the design and application, the distribution between the surface 2 and the core 3 can be established in different relationships.
Preferably, the width or radius of the core 3 is 70% of the width or radius of the rod 1. Alternatively, a value between 50% and 90% may be used.
In order to increase the evaporation surface, the external diameter of the rod 1 can be machined to form one or more grooves 4, for example, a helical groove, as can be observed in FIG. 2, and a plurality of transverse grooves, as can be observed in FIG. 3.
Preferably, the depth of this groove 4 must be sufficient to allow in the zone of the rod 1 referred to as surface 2, i.e. a depth comprised between 50% and 10% of the width of the rod 1.
As can be observed in FIGS. 4 and 5, the volatile substance evaporation element in accordance with the present invention can be used on its own or together with other elements on a support 5.
The rod 1 can be hanged, for example using a chain that passes directly through a possible hole made in the upper portion of the rod or fixed to a cover fixed to one end of the rod 1.
The rod 1 may also be fixed to a support 6 that can be coupled to the vent grille of a vehicle.
Although reference has been made to a specific embodiment of the invention, it is evident to the person skilled in the art that the volatile substance evaporation element described is susceptible of many variations and modifications, and that all the aforementioned details may be replaced with other, technically equivalent ones, without detracting from the scope of protection defined by the attached claims.

Claims (14)

The invention claimed is:
1. A volatile substance evaporation element comprising:
a rod impregnated with volatile substances,
wherein said rod is made of sintered wood,
wherein the porosity of said rod varies between its core and its surface, and
wherein the core extends to up to between 50% and 90% of the width of the rod.
2. The volatile substance evaporation element according to claim 1, wherein the porosity of said rod is lower on its surface than in its core.
3. The volatile substance evaporation element according to claim 2, wherein the porosity of said rod is 10% lower on its surface than in its core.
4. The volatile substance evaporation element according to claim 2, wherein the porosity of said rod is 30% lower on its surface than in its core.
5. The volatile substance evaporation element according to claim 2, wherein the porosity of said rod is 50% lower on its surface than in its core.
6. The volatile substance evaporation element according to claim 1, wherein the length of the rod is at least seven times greater than the width of the rod.
7. The volatile substance evaporation element according to claim 1, wherein the rod is substantially cylindrical.
8. The volatile substance evaporation element according to claim 1, wherein the core extends to up to 50% of the width of the rod.
9. The volatile substance evaporation element according to claim 1, wherein the core extends to up to 70% of the width of the rod.
10. The volatile substance evaporation element according to claim 1, wherein the rod comprises at least one groove that extends along the length of the rod.
11. The volatile substance evaporation element according to claim 10, wherein said at least one groove has a helical shape.
12. The volatile substance evaporation element according to claim 10, wherein a depth of said at least one groove is between 50% and 10% of a width of the rod.
13. A volatile substance evaporation element comprising:
a rod impregnated with volatile substances,
wherein said rod is made of sintered wood, and
wherein the porosity of said rod varies between its core and its surface and is 10% lower on its surface than in its core.
14. A volatile substance evaporation element comprising:
a rod impregnated with volatile substances,
wherein said rod is made of sintered wood, and
wherein the porosity of said rod varies between its core and its surface and is 30% lower on its surface than in its core.
US15/574,861 2015-05-18 2016-05-13 Volatile substance evaporation element Active US10688214B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ESP201530679 2015-05-18
ES201530679A ES2590219B1 (en) 2015-05-18 2015-05-18 Evaporation element of volatile substances
ES201530679 2015-05-18
PCT/EP2016/060852 WO2016184809A1 (en) 2015-05-18 2016-05-13 Volatile substance evaporation element

Publications (2)

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US20180126026A1 US20180126026A1 (en) 2018-05-10
US10688214B2 true US10688214B2 (en) 2020-06-23

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EP (1) EP3297689B1 (en)
CA (1) CA2986306C (en)
ES (2) ES2590219B1 (en)
WO (1) WO2016184809A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10279067B2 (en) * 2016-10-12 2019-05-07 Hya-scent, Inc. Scent glass
USD901664S1 (en) * 2016-10-28 2020-11-10 Energizer Brands II, LLC Air freshener
GB2572774B (en) * 2018-04-10 2021-08-18 Scentsticks Ltd Device for dispersing a volatile liquid wherein the liquid is contained within pores
ES2916123B2 (en) * 2020-12-28 2023-02-23 Zobele Espana Sa Substrate for diffusion of volatile substances
ES2916173B2 (en) * 2020-12-28 2023-02-23 Zobele Espana Sa Substrate for diffusion of volatile substances

Citations (15)

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Publication number Priority date Publication date Assignee Title
US1897573A (en) 1928-09-20 1933-02-14 Francis J Curran Disinfectant and deodorizer
US5035435A (en) * 1987-03-25 1991-07-30 Wildlife Research Center, Inc. Arrow mounted scent carrier
US5422078A (en) 1992-02-13 1995-06-06 Colon; Amber M. Apparatus for providing a scent
EP0841070A2 (en) 1996-11-12 1998-05-13 FALP S.r.l. Method for producing wicks for containers of vaporizable solutions
US6071529A (en) 1996-03-12 2000-06-06 Fmc Corporation Termite bait
ES2145985T3 (en) 1995-10-12 2000-07-16 Scheuer Jean Louis AIR FRESHENER DEVICE ADAPTABLE TO A CAR FAN.
WO2003003826A2 (en) 2001-07-06 2003-01-16 S. C. Johnson & Son, Inc. Wick based liquid emanation system
WO2006002395A2 (en) 2004-06-24 2006-01-05 Jeffrey Sherwood Scent devices and methods
WO2007125384A2 (en) 2005-10-14 2007-11-08 Genaro Casas Jassan Absorbent composition of matter for controlled release of essential oils
US20080087740A1 (en) 2004-10-28 2008-04-17 Japan Science And Technology Agency Air Treatment Device
WO2011121360A1 (en) 2010-03-31 2011-10-06 Reckitt & Colman (Overseas) Limited Volatile liquid transfer materials comprising balsa wood
US20120091221A1 (en) * 2010-09-08 2012-04-19 S.C. Johnson & Son, Inc. Wick Diffuser
GB2492370A (en) 2011-06-29 2013-01-02 Mcbride Robert Ltd A self-retaining gel body with support structure as delivery device for volatile components
KR200469969Y1 (en) 2012-10-24 2013-11-15 신재인 Aromatic clip for automobile
EP2832375A1 (en) 2013-08-01 2015-02-04 De Leuriks B.V. Ambient fragrance dispenser

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1897573A (en) 1928-09-20 1933-02-14 Francis J Curran Disinfectant and deodorizer
US5035435A (en) * 1987-03-25 1991-07-30 Wildlife Research Center, Inc. Arrow mounted scent carrier
US5422078A (en) 1992-02-13 1995-06-06 Colon; Amber M. Apparatus for providing a scent
ES2145985T3 (en) 1995-10-12 2000-07-16 Scheuer Jean Louis AIR FRESHENER DEVICE ADAPTABLE TO A CAR FAN.
US6071529A (en) 1996-03-12 2000-06-06 Fmc Corporation Termite bait
EP0841070A2 (en) 1996-11-12 1998-05-13 FALP S.r.l. Method for producing wicks for containers of vaporizable solutions
WO2003003826A2 (en) 2001-07-06 2003-01-16 S. C. Johnson & Son, Inc. Wick based liquid emanation system
WO2006002395A2 (en) 2004-06-24 2006-01-05 Jeffrey Sherwood Scent devices and methods
US20080087740A1 (en) 2004-10-28 2008-04-17 Japan Science And Technology Agency Air Treatment Device
WO2007125384A2 (en) 2005-10-14 2007-11-08 Genaro Casas Jassan Absorbent composition of matter for controlled release of essential oils
WO2011121360A1 (en) 2010-03-31 2011-10-06 Reckitt & Colman (Overseas) Limited Volatile liquid transfer materials comprising balsa wood
US20120091221A1 (en) * 2010-09-08 2012-04-19 S.C. Johnson & Son, Inc. Wick Diffuser
GB2492370A (en) 2011-06-29 2013-01-02 Mcbride Robert Ltd A self-retaining gel body with support structure as delivery device for volatile components
KR200469969Y1 (en) 2012-10-24 2013-11-15 신재인 Aromatic clip for automobile
EP2832375A1 (en) 2013-08-01 2015-02-04 De Leuriks B.V. Ambient fragrance dispenser

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
International Search Report dated Jul. 13, 2016 in corresponding PCT International Application No. PCT/EP2016/060852.
International Search Report dated Jul. 14, 2016 in corresponding PCT International Application No. PCT/EP2016/060847.
Search Report dated Nov. 11, 2016 in corresponding Spanish Patent Application No. 201530677.
Search Report dated Oct. 18, 2016 in corresponding Spanish Patent Application No. 201530679.
Written Opinion dated Jul. 13, 2016 in corresponding PCT International Application No. PCT/EP2016/060852.
Written Opinion dated Jul. 14, 2016 in corresponding PCT International Application No. PCT/EP2016/060847.

Also Published As

Publication number Publication date
EP3297689A1 (en) 2018-03-28
ES2978973T3 (en) 2024-09-23
ES2590219B1 (en) 2017-09-05
EP3297689B1 (en) 2024-03-13
ES2590219A1 (en) 2016-11-18
US20180126026A1 (en) 2018-05-10
WO2016184809A1 (en) 2016-11-24
CA2986306C (en) 2025-02-04
CA2986306A1 (en) 2016-11-24

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